General description This is a multi-purpose smart magic charger designed to solve the charging problems of various rechargeable batteries. It is capable of recognizing and charging both lithium batteries (3.7V-4.2V) and nickel-hydrogen batteries (1.2V-1.4V). Technical specifications Input parameters: 5V 2A Output parameters: 4.2V 2A Charging current: 2000 mA Compatible battery types: 18650, 21700, AA, AAA, 26650, 16340, 10400, 14500, 14650, 18350, 18500, 18490, 20700, 22650, 26700 NiMH/Ni-CD battery voltage: 1.2V-1.4V Model: Q1 Product Certification: FCC, ROHS Number of Slots: 1 Charging Time: 5 Hours Color: Black Material: ABS and PC Size: 12.3 x 3.4 x 3.2 cm Other information Package Contents: 2 x Charger Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.